From mboxrd@z Thu Jan  1 00:00:00 1970
From: Harvey Harrison <harvey.harrison@gmail.com>
Subject: New sparse warning in net/mac80211/debugfs_sta.c
Date: Thu, 21 Feb 2008 01:34:27 -0800
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Cc: linux-netdev <netdev@vger.kernel.org>
To: David Miller <davem@davemloft.net>, Joe Perches <joe@perches.com>
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commit 0795af5729b18218767fab27c44b1384f72dc9ad
Author: Joe Perches <joe@perches.com>
Date:   Wed Oct 3 17:59:30 2007 -0700

    [NET]: Introduce and use print_mac() and DECLARE_MAC_BUF()
   =20
    This is nicer than the MAC_FMT stuff.
   =20
    Signed-off-by: Joe Perches <joe@perches.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>

Introduced:
net/mac80211/debugfs_sta.c: In function =E2=80=98ieee80211_sta_debugfs_=
add=E2=80=99:
net/mac80211/debugfs_sta.c:211: warning: statement with no effect

Does print_mac modify the mac buffer in-place, or return a new buffer?

Harvey